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Lightning Grim Anticheat

Lightning Grim Anticheat

Anticheat Perfected | 3.0005 reach | 99.999% antikb. Fork of GrimAC that's faster, with better reach checks, interact checks, and numerous bug fixes.

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Game Mechanics
Management
Utility

Compatibility

Minecraft: Java Edition

1.21.x
1.20.x
1.19.x
1.18.x
1.17.x
1.16.x
1.15.x
1.14.x
1.13.x
1.12.x
1.11.x
1.10.x
1.9.x
1.8.x
1.7.x

Platforms

Bukkit
Fabric
Folia
Paper
Purpur
Spigot

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Creators

Axionize Member

Details

Licensed GPL-3.0-only
Published 9 months ago
Updated 5 hours ago
DescriptionChangelogVersions

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Lightning Grim Anticheat 2.3.69-b21

by Axionize on Nov 24, 2024
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  • Reduce movement threshold lenience given to players in newer versions
  • New BadPacketsX and Z checks falses fixed and no longer experimental

Lightning Grim Anticheat 2.3.69-b20

by Axionize on Nov 23, 2024
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  • Fixed PacketOrder loading errors

Lightning Grim Anticheat 2.3.69-b19

by Axionize on Nov 23, 2024
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  • Fix PacketOrder falses

Lightning Grim Anticheat 2.3.69-b18

by Axionize on Nov 22, 2024
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  • Fix CollisionBoxes of Walls broken during previous optimization

Lightning Grim Anticheat 2.3.69-b17

by Axionize on Nov 22, 2024
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  • Merge upstream
    • Fix race condition and exception when registering check permissions during rapid consecutive player joins on server start
  • Fix a NPE when calling .offset() on CollisionBoxes in some cases after copying them, caused by optimizations in B16 being incomplete
  • Fix Pink Petals Hitbox (Coral Fan) for > 1.12.2 and =< 1.19.3 players

Lightning Grim Anticheat 2.3.69-b16

by Axionize on Nov 20, 2024
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Note that these changes have not been fully tested. Please beware and report any issues you find immediately.

  • Fixed PacketOrder falses
  • Fixed Inventory falses
  • Optimized Hitbox/Collision Boxes for better eprofmrance

Lightning Grim Anticheat 2.3.69-b15

by Axionize on Nov 20, 2024
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  • Updated upstream
    • Fix MultiInteract issues
    • Fix Folia errors

Lightning Grim Anticheat 2.3.69-b14

by Axionize on Nov 17, 2024
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  • Fix console spam from leftover debug print statement
  • Fix Hitbox error caused by downcasting ComplexCollisionBoxes that contain other ComplexCollisionBoxes. All CCBs are now flat.

Lightning Grim Anticheat 2.3.69-experimental-reach-entities-b6

by Axionize on Nov 17, 2024
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  • Fixed marker armor stands not being parsed correctly in legacy versions.

Lightning Grim Anticheat 2.3.69-experimental-reach-entities-b5

by Axionize on Nov 17, 2024
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  • Fix armor stand (including small armor stand) hitboxes

Lightning Grim Anticheat 2.3.69-experimental-reach-entities-b4

by Axionize on Nov 17, 2024
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  • Fix falses caused by Armor stands with the marker NBT tag which can be hit through in vanilla.

Lightning Grim Anticheat 2.3.69-b13

by Axionize on Nov 17, 2024
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  • New Packet Ordering checks (currently no known falses, but please report any issues!)
  • Detects
    • some superknockbacks
    • ncp noslow (with setback)
    • switch noslow (with setback)
    • some bad keypearls
    • some bad autoblocks

Lightning Grim Anticheat 2.3.69-b12

by Axionize on Nov 16, 2024
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  • Adds new inventory interact checks
    • Stops players from using inventory and sprinting/sneaking.
    • Stops players from using crafting grid as extra storage
    • Stops most inventory related hacks
  • Known Issues (1.8.9 only)
    • InventoryG falses when sprinting or sneaking and opening inventory
    • Inventory* falses with twitch button
    • InventoryE falses when the server sets the clients slot

Lightning Grim Anticheat 2.3.69-b11

by Axionize on Nov 16, 2024
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  • Fix falses in LOSP.
    • Much more difficult to false breaking and placing short grass and other instant break blocks in same tick.
    • Fix false from igniting tnt

Lightning Grim Anticheat 2.3.69-experimental-reach-entities-b3

by Axionize on Nov 16, 2024
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  • Fix compatability with standalone PacketEvents plugin

Lightning Grim Anticheat 2.3.69-experimental-reach-entities-b2

by Axionize on Nov 16, 2024
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  • Filters out Arrows, Fishing Rod Bobbers, and Marker Armor stands from blocking ray trace hits. (Vanilla players hit through these entities)

Lightning Grim Anticheat 2.3.69-experimental-reach-entities

by Axionize on Nov 16, 2024
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  • Adds new highly experimental reach check that checks if an entity is blocking target. Prevents players from hitting a target through other entities.
  • Currently known to false when player is fighting large horde of mobs. Likely other falses exist. Unknown cause.

Lightning Grim Anticheat 2.3.69-b10

by Axionize on Nov 15, 2024
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  • Add new config option to skip reach checks on non-player target entities https://github.com/Axionize/LightningGrim/issues/1

Lightning Grim Anticheat 2.3.69-b9

by Axionize on Nov 15, 2024
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  • Update upstream (Java 17 changes removed. This version still supports Java 8)
    • We still recommend you update to Java 17. If you are running a 1.8 server use PandaSpigot or a fork that of spigot that supports Java 17
  • Fix short grass related falses on 1.8
    • https://github.com/Axionize/LightningGrim/issues/3
    • https://github.com/Axionize/LightningGrim/issues/5

grimac-2.3.69-custom-packetevents-2.6.1-fix-mappings

by Axionize on Nov 15, 2024
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A temporary custom build meant to fix

  • https://github.com/Axionize/LightningGrim/issues/3
  • https://github.com/Axionize/LightningGrim/issues/5 Until packetevents merges new changes
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